Introduction
ASR9K XR and ASR903 (IOSXE) ISIS behaviour
Problem
ASR9K preferring ISIS L2 for prefix (Lo0) of peer ASR903 (IOS-XE) due to which RAN instance interface is getting preferred
Solution
IOS XR & IOSXE behaviour
IOSXE & IOSXE behaviour...
Introduction
Telemetry configuration & troubleshooting steps
Below is the list of telemetry sensors which can be used for system health monitoring. It includes ASR9K & NCS5500 platform
Configuration
Sample
telemetry model-driven
destinatio...
Introduction
BFD between ASR9K-XR (Bundle-Ether) and ASR903 - XE (Port-channel)
Problem
BFD over Port channel of ASR903 down
Solution
ASR903 Configuration of Port-channel & BFD
bfd-template single-hop AG1-ASR9K
interval microseconds min-tx ...
For verifying the packets drops or critical alarms , below CLI should help
show controllers fia diagshell 0 "diag counters g" loc <LC>show controllers npu stats traps-all instance all location <LC>
show controllers npu stats traps-all instance all ...
Below some additional triage for Fabric related issue
https://www.cisco.com/c/en/us/support/docs/routers/asr-9000-series-aggregation-services-routers/220131-troubleshoot-punt-fabric-data-path-failu.html
To get more detail on Multicast Profile 14
Refer below
https://www.cisco.com/c/en/us/support/docs/routers/asr-9000-series-aggregation-services-routers/220403-troubleshoot-mvpn-profile-14.html
If needed, you can refer PUNT_DATA_FAILED on LSP & THMK
https://www.cisco.com/c/en/us/support/docs/routers/asr-9000-series-aggregation-services-routers/220131-troubleshoot-punt-fabric-data-path-failu.html